Release notes:

- Added HCY' sliders with adjustable Luminance parameters

- Added new color spaces for magic pen (HSL, HCY', LAB)

- Added new color sorting options (by Lightness, Chroma, Luminance, HSL distance, HCY' distance)

- Added new color adjustment options (HSL, HCY', LAB)

- Fixed palette saving bug when saving sorted colors. Now order of the colors is maintained. First all linked colors are saved then all the rest in order of appearance.

Thank you for the support and suggestions !!!